PL2345760T3 - Process for delignifying and bleaching chemical pulp - Google Patents

Process for delignifying and bleaching chemical pulp

Info

Publication number
PL2345760T3
PL2345760T3 PL10197066T PL10197066T PL2345760T3 PL 2345760 T3 PL2345760 T3 PL 2345760T3 PL 10197066 T PL10197066 T PL 10197066T PL 10197066 T PL10197066 T PL 10197066T PL 2345760 T3 PL2345760 T3 PL 2345760T3
Authority
PL
Poland
Prior art keywords
delignifying
chemical pulp
bleaching chemical
bleaching
pulp
Prior art date
Application number
PL10197066T
Other languages
Polish (pl)
Inventor
Thomas Dietz
Original Assignee
Evonik Degussa Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Evonik Degussa Gmbh filed Critical Evonik Degussa Gmbh
Publication of PL2345760T3 publication Critical patent/PL2345760T3/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
PL10197066T 2010-01-19 2010-12-27 Process for delignifying and bleaching chemical pulp PL2345760T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010001001A DE102010001001A1 (en) 2010-01-19 2010-01-19 Process for delignification and bleaching of pulp
EP10197066.3A EP2345760B1 (en) 2010-01-19 2010-12-27 Process for delignifying and bleaching chemical pulp

Publications (1)

Publication Number Publication Date
PL2345760T3 true PL2345760T3 (en) 2017-12-29

Family

ID=44070008

Family Applications (1)

Application Number Title Priority Date Filing Date
PL10197066T PL2345760T3 (en) 2010-01-19 2010-12-27 Process for delignifying and bleaching chemical pulp

Country Status (17)

Country Link
US (1) US8568558B2 (en)
EP (1) EP2345760B1 (en)
JP (1) JP5800511B2 (en)
KR (1) KR101818921B1 (en)
AR (1) AR081122A1 (en)
AU (1) AU2011200185B2 (en)
BR (1) BRPI1100069A2 (en)
CA (1) CA2728349C (en)
DE (1) DE102010001001A1 (en)
ES (1) ES2638318T3 (en)
LT (1) LT2345760T (en)
NZ (1) NZ590491A (en)
PL (1) PL2345760T3 (en)
PT (1) PT2345760T (en)
RU (1) RU2525760C2 (en)
UY (1) UY33190A (en)
ZA (1) ZA201100470B (en)

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SE532370C2 (en) * 2008-02-28 2009-12-29 Metso Paper Inc Method of bleaching a pulp
DE102010001001A1 (en) 2010-01-19 2011-07-21 Evonik Degussa GmbH, 45128 Process for delignification and bleaching of pulp
DE102012200990A1 (en) 2012-01-24 2013-07-25 Evonik Industries Ag A process for the recovery of molybdate in a molybdate-catalyzed delignification of pulp with hydrogen peroxide
RU2503764C1 (en) * 2012-11-28 2014-01-10 федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Пермский национальный исследовательский политехнический университет" Method of bleaching of bisulfite pulp
FR3007044B1 (en) * 2013-06-13 2016-01-15 Air Liquide PROCESS FOR TREATING CHEMICAL PAPER PASTES BY OZONE TREATMENT IN THE PRESENCE OF MAGNESIUM IONS
RU2523118C1 (en) * 2013-06-17 2014-07-20 федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Пермский национальный исследовательский политехнический университет" Bleaching process of hardwood sulphate pulp
KR20160085281A (en) * 2013-11-06 2016-07-15 에보닉 데구사 게엠베하 Method for delignifying and bleaching pulp
CN104594102A (en) * 2014-12-29 2015-05-06 周锦和 Production technology of pulp board
WO2016159403A1 (en) * 2015-03-30 2016-10-06 주식회사 아시아모빌 Pulp-bleaching method using chelate compound
FR3062138B1 (en) * 2017-01-23 2019-06-07 Centre Technique De L'industrie Des Papiers, Cartons Et Celluloses PROCESS FOR WHITENING A PAPER PULP
US20210348129A1 (en) * 2020-05-11 2021-11-11 Worcester Polytechnic Institute Non-decellularized plant leaf cultures for meat
CA3110390A1 (en) * 2021-02-25 2022-08-25 Sixring Inc. Modified sulfuric acid and uses thereof
RU2759613C1 (en) * 2021-03-22 2021-11-16 федеральное государственное автономное образовательное учреждение высшего образования "Пермский национальный исследовательский политехнический университет" Method for bleaching bisulphite cellulose

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US3835001A (en) * 1973-04-30 1974-09-10 Penn Olin Chem Co Ion exchange removal of dichromates from electrolytically produced alkali metal chlorate-chloride solutions
US4065475A (en) * 1976-05-21 1977-12-27 Toray Industries, Inc. Process for preparing CIS-epoxysuccinic acid salts of high purity
US4427490A (en) * 1978-04-07 1984-01-24 International Paper Company Delignification and bleaching process for lignocellulosic pulp with peroxide in the presence of metal additives
CA1129161A (en) 1978-04-07 1982-08-10 Robert C. Eckert Delignification and bleaching process and solution for lignocellulosic pulp with peroxide in the presence of metal additives
IT1127300B (en) * 1979-12-19 1986-05-21 Euteco Impianto Spa PROCEDURE FOR THE RECOVERY OF MOLYBDENUM COMPOUNDS
JPH0610089B2 (en) 1985-05-16 1994-02-09 住友化学工業株式会社 Molybdenum recovery method
CZ279703B6 (en) 1990-12-21 1995-06-14 Vúfb, A.S. Process for regenerating a molybdenum catalyst from solutions after epimerization of aldoses
RU1836465C (en) 1992-04-20 1993-08-23 Всероссийский научно-исследовательский и проектный институт тугоплавких металлов и твердых сплавов Tungsten extraction method from raw materials
JP3314089B2 (en) 1992-06-30 2002-08-12 京セラ株式会社 Coated cemented carbide
BR9508387A (en) * 1994-07-11 1997-11-25 Beloit Technologies Inc High efficiency vessels for bleaching fibrous cellulosic and synthetic polymeric lignocellulosic materials
DE4446122A1 (en) 1994-12-22 1996-06-27 Sued Chemie Ag Adsorbent material for removal of anionic cpds.
SE504340E (en) * 1995-05-22 1999-08-09 Mo Och Domsjoe Ab Process for delignification / bleaching of lignin-containing cellulose pulp
US5667694A (en) * 1995-08-28 1997-09-16 Rheox, Inc. Process for the removal of heavy metals from aqueous systems using organoclays
JP3698178B2 (en) * 1995-09-22 2005-09-21 三菱瓦斯化学株式会社 Process for bleaching chemical pulp for papermaking
JPH10219575A (en) * 1997-02-06 1998-08-18 Mitsubishi Gas Chem Co Inc Bleaching of chemical pulp for papermaking
JPH11130762A (en) 1997-10-29 1999-05-18 Mitsubishi Gas Chem Co Inc Production of cis-epoxysuccinic salt
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US20030019596A1 (en) * 2001-04-17 2003-01-30 Ragauskas Arthur J. Metal substituted xerogels for improved peroxide bleaching of kraft pulps
JP2003048716A (en) 2001-08-02 2003-02-21 Katayama Chem Works Co Ltd Method for recovering molybdate
FR2846664B1 (en) * 2002-10-30 2006-09-08 Inst Francais Du Petrole FLEXIBLE PROCESS FOR THE PRODUCTION OF OIL BASES AND MEDIUM DISTILLATES WITH A CONVERTING PRETREATMENT STEP FOLLOWED BY CATALYTIC DEPARAFFINING
JP4178394B2 (en) 2003-05-28 2008-11-12 三菱瓦斯化学株式会社 Method for removing hexeneuronic acid from chemical pulp for papermaking
JP3768986B2 (en) * 2003-09-29 2006-04-19 大王製紙株式会社 Process for producing bleached kraft pulp with improved thermal fading
US8317975B2 (en) * 2004-04-20 2012-11-27 The Research Foundation Of The State University Of New York Product and processes from an integrated forest biorefinery
JP4513959B2 (en) 2004-09-17 2010-07-28 三菱瓦斯化学株式会社 Semi-bleaching bleaching process for chemical pulp for papermaking
JP2007270382A (en) 2006-03-31 2007-10-18 Nippon Paper Industries Co Ltd High brightness chemical pulp and method for producing the same
JP5140287B2 (en) 2007-02-20 2013-02-06 大王製紙株式会社 Kraft pulp bleaching method
SE532370C2 (en) 2008-02-28 2009-12-29 Metso Paper Inc Method of bleaching a pulp
CL2009000939A1 (en) * 2008-04-30 2010-10-01 Evonik Degussa Gmbh Process to recover molybdate or tungstate from an aqueous solution that comprises a) contacting the solution with a cationized and water-insoluble inorganic carrier material, b) separating the carrier material from molybdate or tungstate, c) contacting it with an aqueous solution with a pH between 6 to 14 and d) separate the saturated material.
DE102010001001A1 (en) 2010-01-19 2011-07-21 Evonik Degussa GmbH, 45128 Process for delignification and bleaching of pulp

Also Published As

Publication number Publication date
JP5800511B2 (en) 2015-10-28
NZ590491A (en) 2012-05-25
BRPI1100069A2 (en) 2013-10-22
US20110174451A1 (en) 2011-07-21
AU2011200185B2 (en) 2015-11-12
KR101818921B1 (en) 2018-01-17
DE102010001001A1 (en) 2011-07-21
KR20110085906A (en) 2011-07-27
EP2345760B1 (en) 2017-07-12
ZA201100470B (en) 2011-10-26
US8568558B2 (en) 2013-10-29
AU2011200185A1 (en) 2011-08-04
CA2728349A1 (en) 2011-07-19
UY33190A (en) 2011-05-31
ES2638318T3 (en) 2017-10-19
LT2345760T (en) 2017-10-25
EP2345760A1 (en) 2011-07-20
RU2011101637A (en) 2012-09-27
AR081122A1 (en) 2012-06-27
PT2345760T (en) 2017-08-30
CA2728349C (en) 2013-02-26
RU2525760C2 (en) 2014-08-20
JP2011149140A (en) 2011-08-04

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